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The extensor tendon sheaths on the back of the wrist. De Quervain syndrome involves noninflammatory thickening of the tendons and the synovial sheaths that the tendons run through. The two tendons concerned are those of the extensor pollicis brevis and abductor pollicis longus muscles. These two muscles run side by side and function to bring ...
Infectious tenosynovitis is the infection of closed synovial sheaths in the flexor tendons of the fingers. It is usually caused by trauma, but bacteria can spread from other sites of the body. Although tenosynovitis usually affects the flexor tendon of the fingers, the disease can also affect the extensor tendons occasionally. [5]
Other names: Historicopous, trigger digit, trigger thumb, [1] stenosing tenosynovitis [1] An example of trigger finger affecting the ring finger: Specialty: Hand surgery, orthopedic surgery, and plastic surgery: Symptoms: Catching or locking of the involved finger, pain [2] [3] Usual onset: 50s to 60s years old [2] Risk factors
Trapeziometacarpal osteoarthritis (TMC OA) is, also known as osteoarthritis at the base of the thumb, thumb carpometacarpal osteoarthritis, basilar (or basal) joint arthritis, or as rhizarthrosis. [ 3 ] [ 1 ] [ 2 ] This joint is formed by the trapezium bone of the wrist and the metacarpal bone of the thumb.
Ganglion cyst is associated with minimal and specific pain, such as with forceful hyperextension (push up maneuver) or a dorsal wrist ganglion (fluid-filled closed sac with a joint or tendon sheath in the wrist) Kienbock's disease (breakdown of the lunate bone) Tendinopathy in the wrist (extensor) or thumb (De Quervain syndrome) Inflammatory ...
Anterior interosseous syndrome is a medical condition in which damage to the anterior interosseous nerve (AIN), a distal motor and sensory branch of the median nerve, classically with severe weakness of the pincer movement of the thumb and index finger, and can cause transient pain in the wrist (the terminal, sensory branch of the AIN innervates the bones of the carpal tunnel).
The following tendon deviations can induce congenital clasped thumb: The flexor tendons are too short (the thumb is drawn into the palm) The abductor tendons are hypoplastic or absent; The extensor tendons are hypoplastic or absent; Furthermore, a tight thumb web space (the area between thumb and index finger) can contribute to congenital ...
Nintendo thumb, also known as gamer's thumb [1] and similar names, is a form of repetitive strain injury (RSI) caused by excessive playing of video games with the traditional Nintendo controller. [2] This injury mainly occurs due to repeated thumb movements while playing video games. [ 3 ]